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1·I still go on underrating men of gold.

我仍瞧不起腰缠万金的人。

2·Underrating has the advantage of increasing physical life .

低负荷运行具有能延长物理寿命的优点。

3·This is because people tend to overestimate the market's potential while underrating its risks and difficulties.

这就是人们倾向于高估市场潜力而低估他的风险和困难。